Release v2.1.3

sigminer 2.1.3

• Fixed error in extracting invalid regions (#396, thanks to @KirsieMin).

sigminer 2.1.2

• Enhanced the read_copynumber_seqz() to include minor copy number. (Thanks to yancey)
• Added input range check in sig_estimate(). (#391)

sigminer 2.1.1

• Expanded output_* function by adding option sig_db.
• Fixed the error using sigminer::get_genome_annotation() before loading it.
• Fixed the bug the get_pLOH_score() return nothing for sample without LOH.